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HistoryDec 20, 2023 - 8:15 p.m.

Security Bulletin: IBM® Db2® is vulnerable to denial of service with a specially crafted RUNSTATS command. (CVE-2023-40687)

2023-12-2020:15:04
www.ibm.com
13
ibm db2
denial of service
runstats command
vulnerability
special build
fix central

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.9%

Summary

IBM® Db2® is vulnerable to denial of service with a specially crafted RUNSTATS command on an 8TB or larger table.

Vulnerability Details

CVEID:CVE-2023-40687
**DESCRIPTION:**IBM DB2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to denial of service with a specially crafted RUNSTATS command on an 8TB table.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/264809 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s) Version(s) Applicable Editions
IBM® Db2®

10.5.0.11

|

Server

IBM® Db2®|

11.1.4.7

|

Server

IBM® Db2®|

11.5.x

|

Server

All platforms are affected.
Earlier releases (10.1, 9.7 etc.) may also be affected, but they are no longer supported.

Remediation/Fixes

Customers running any vulnerable fixpack level of an affected Program, V10.5, v11.1 and V11.5, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent fixpack level for each impacted release: V10.5 FP11, V11.1.4 FP7, and V11.5.9. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.

Release Fixed in fix pack APAR Download URL
V10.5 TBD DT211674 Special Build for V10.5 FP11:

AIX 64-bit
HP-UX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER™ big endian
Linux 64-bit, POWER™ little endian
Linux 64-bit, System z®, System z9® or zSeries®
Solaris 64-bit, SPARC
Solaris 64-bit, x86-64
Windows 32-bit, x86
Windows 64-bit, x86

V11.1| TBD| DT211674|

Special Build for V11.1.4 FP7:

AIX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER™ little endian
Linux 64-bit, System z®, System z9® or zSeries®
Solaris 64-bit, SPARC
Windows 32-bit, x86
Windows 64-bit, x86

V11.5| TBD| DT211674|

Special Build for V11.5.0:

AIX 64-bit (for OS7.1)

Special Build for V11.5.8:

AIX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER™ little endian
Linux 64-bit, System z®, System z9® or zSeries®
Windows 32-bit, x86
Windows 64-bit, x86

V11.5.9:
<https://www.ibm.com/support/pages/node/7071342&gt;

IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.

Workarounds and Mitigations

None

Affected configurations

Vulners
Node
ibmdb2Match11.5
OR
ibmdb2Match11.1
OR
ibmdb2Match10.5

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.9%

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